Researchers estimated dietary polyphenol intake in healthy adults and investigated its associations with gastrointestinal and systemic inflammation markers.
By Vijay Kumar MalesuReviewed by Danielle Ellis, B.Sc.Aug 21 2024 In a recent study published in The Journal of Nutrition , a group of researchers estimated dietary polyphenol intake in healthy adults and investigated its associations with gastrointestinal and systemic inflammation markers.
About the study The present study conducted a secondary analysis of data from the United States Department of Agriculture Nutritional Phenotyping Study, an observational cross-sectional study performed between 2015 and 2019 with approval from the University of California, Davis Institutional Review Board. The sample comprised 350 generally healthy adults aged 18 to 65 years with body mass indices ranging from 18.
Study results The study analyzed the characteristics of 350 generally healthy adults with an average age of 40 ± 14 years and an average BMI of 27 ± 5 kg/m². The cohort had a balanced gender representation, with 186 females and 164 males. The majority identified as white, while 14% identified as Latinx or Hispanic, and 11.7% as Asian or members of an Asian subgroup. Most participants had at least a bachelor’s degree, with a range of reported household incomes.
In terms of inflammation, total polyphenol intake was found to be negatively associated with fecal CAL after adjusting for BMI, age, and sex. However, this relationship disappeared when total fiber intake and HEI score were considered. Although total fiber intake did not correlate with the inflammatory markers, the HEI score was negatively associated with CAL. No significant relationship was observed between total polyphenol intake and other inflammatory markers such as CRP and LBP.
Inflammation Polyphenol Tea Anti-Inflammatory Antioxidant Large Intestine Metabolism Nutrition Protein Research Small Intestine Wheat
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